Climate and monthly weather forecast
Johannesburg, MI

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Weather in January

January, like December, is a freezing cold winter month in Johannesburg, Michigan, with an average temperature fluctuating between 23.5°F (-4.7°C) and 14.5°F (-9.7°C). Johannesburg's January weather, marked by an average high temperature of 23.5°F (-4.7°C) and an average low temperature of 14.5°F (-9.7°C), is the coldest in the year. Weather in January »

Weather in February

February, the last month of the winter in Johannesburg, is another freezing cold month, with temperature in the range of an average high of 26.1°F (-3.3°C) and an average low of 14.4°F (-9.8°C). A minor adjustment in Johannesburg's average high-temperature is noted with the start of February, touching a still subzero cold 26.1°F (-3.3°C) from January's 23.5°F (-4.7°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Johannesburg, Michigan, with an average temperature fluctuating between 22.5°F (-5.3°C) and 36.1°F (2.3°C). In Johannesburg, the onset of March comes with an increased average high-temperature, moving from February's subzero cold 26.1°F (-3.3°C) to an icy 36.1°F (2.3°C). Weather in March »

Weather in April

April is a chilly spring month in Johannesburg, Michigan, with temperature in the range of an average high of 48.4°F (9.1°C) and an average low of 32.5°F (0.3°C). April signals a shift in the average high-temperature, moving from March's icy 36.1°F (2.3°C) to a frosty 48.4°F (9.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Johannesburg, Michigan, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 64.6°F (18.1°C). The arrival of May brings a distinct temperature shift, with the average high-temperature escalating from a chilly 48.4°F (9.1°C) in April to a refreshing 64.6°F (18.1°C). Weather in May »

Weather in June

June, the first month of the summer in Johannesburg, is an agreeable month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 72.5°F (22.5°C). Johannesburg's transition into June brings a slight rise in the average high-temperature, moving from an enjoyable 64.6°F (18.1°C) in May to a pleasant 72.5°F (22.5°C). Weather in June »

Weather in July

July in Johannesburg, Michigan, is a moderately hot summer month, with an average temperature fluctuating between 57°F (13.9°C) and 78.1°F (25.6°C). In Johannesburg, July is identified by the highest average temperatures, reaching a peak of 78.1°F (25.6°C) and a low of 57°F (13.9°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Johannesburg, Michigan, with an average temperature varying between 76.5°F (24.7°C) and 56.5°F (13.6°C). Johannesburg's shift into August sets the average high-temperature at a still moderately hot 76.5°F (24.7°C), a figure that deviates only slightly from July's 78.1°F (25.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Johannesburg, Michigan, with an average temperature ranging between max 68.9°F (20.5°C) and min 49.8°F (9.9°C). With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 76.5°F (24.7°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »

Weather in October

October, like September, in Johannesburg, Michigan, is another fresh autumn month, with an average temperature fluctuating between 40.5°F (4.7°C) and 54.1°F (12.3°C). As Johannesburg, Michigan, steps into October, a marked temperature drop is observed, with the average high-temperature reducing from September's pleasant 68.9°F (20.5°C) to a fresh 54.1°F (12.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Johannesburg, Michigan, with an average temperature ranging between max 40.5°F (4.7°C) and min 30.2°F (-1°C). In Johannesburg, the average high-temperature in November drops from a cool 54.1°F (12.3°C) in October to a cold 40.5°F (4.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Johannesburg, Michigan, with an average temperature fluctuating between 21.6°F (-5.8°C) and 29.7°F (-1.3°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's icy 40.5°F (4.7°C) to a freezing cold 29.7°F (-1.3°C). Weather in December »
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

Temperature readings reach their annual highs in January, averaging 23.5°F (-4.7°C) and a minimum average of 14.5°F (-9.7°C).

What are the most humid months?

The months with the highest humidity are January and February, with an average relative humidity of 90%.

How many days does it rain?

Throughout the year, there are 140.1 rainfall days, and 23.39" (594mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through May, October through December.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 24.5 days and typically aggregates up to 10.94" (278mm) of snow.

How much does it snow?

In Johannesburg, during the entire year, snow falls for 109.2 days and aggregates up to 47.09" (1196mm) of snow.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 1.7h of sunshine.

What are the months with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

What is the least humid month?

May is the least humid month, with an average relative humidity of 70%.

What is the wettest month?

May is the month with the most rainfall. Rain falls for 14.4 days and accumulates 2.76" (70mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

When are the longest days?

With an average of 15h and 36min of daylight, June has the longest days of the year.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 5, are months with the highest UV index.

What month is the hottest?

During the warmest month in Johannesburg, July, temperatures average a high of 78.1°F (25.6°C) and a low of 57°F (13.9°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.1h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.3 days and accumulates 1.3" (33mm) of precipitation.

What is the month with the shortest days?

With an average of 8h and 48min of daylight, December has the shortest days of the year.

Average temperature
Johannesburg, MI

Average temperature - Johannesburg, MI

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (23.5°F).

The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).

Average pressure
Johannesburg, MI

Average pressure - Johannesburg, MI

The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Johannesburg, MI

Average wind speed - Johannesburg, MI

The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

Average humidity
Johannesburg, MI

Average humidity - Johannesburg, MI

The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (70%).

Average rainfall
Johannesburg, MI

Average rainfall - Johannesburg, MI

The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days
Johannesburg, MI

Average rainfall days - Johannesburg, MI

The month with the highest number of rainy days is October (17.5 days).
The months with the least rainy days are January and February (5 days).

Average snowfall
Johannesburg, MI

Average snowfall - Johannesburg, MI

The month with the highest snowfall is January (10.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Johannesburg, MI

Average snowfall days - Johannesburg, MI

The month with the highest number of snowfall days is January (24.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Johannesburg, MI

Average daylight / Average sunshine - Johannesburg, MI

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).

Average sunshine days
Johannesburg, MI

Average sunshine days - Johannesburg, MI

The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (5.4 days).

Average UV index
Johannesburg, MI

Average UV index - Johannesburg, MI

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average visibility
Johannesburg, MI

Average visibility - Johannesburg, MI

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).

Johannesburg, Michigan, USA

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